public class If {
    public static void main(String[] args) {
        int a = 144;
        if (a % 2 == 0)
            System.out.println("a的值" + a + "是偶数");

        int num1 = 5, num2 = 3, num3 = 7;
        int temp1, temp2;
        if (num1 < num2)
            temp1 = num2;
        else
            temp1 = num1;

        if (temp1 < num3)
            temp2 = num3;
        else
            temp2 = temp1;
        System.out.println(temp2);


        int age = 18;
        if (age >= 18)
            System.out.println("请进入");
        else
            System.out.println("不可以进入");

















    }
}
